In order to make better practice teaching of undergraduate thesis, randomly selected a respondent group (28 students) to make an anonymous written questionnaire, which was entitled “Feeling after thesis defense”. And there was not any other restrictive requirement on them. The survey results were classified and analyzed from thesis design, research process and thesis accomplishment. It was shown that, though the survey objects encountered some difficulties and hardships in the practice activity, they had a greater degree of recognition on the importance of graduation thesis and the necesscity of engaging in thesis work. And also they not only benefited from the help of teachers and students. But also they were trained and improved greatly in the comprehensive quality and ability in the activity, and so they were pleased for this. It is believed that this investigation will help the practice teaching of undergraduate thesis go up to a new stage.